psp-dev main.cpp

#include <pspkernel.h>
#include <pspdebug.h>

PSP_MODULE_INFO("Tutorial", 0, 1, 0);

int exit_callback(int arg1, int arg2, void* common){
    sceKernelExitGame();
    return 0;
}

int CallbackThread(SceSize args, void* argp) {
    int cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
    sceKernelRegisterExitCallback(cbid);
    sceKernelSleepThreadCB();

    return 0;
}

int SetupCallbacks(void) {
    int thid = sceKernelCreateThread("update_thread", CallbackThread, 0x11, 0xFA0, 0, 0);
    if (thid >= 0) {
        sceKernelStartThread(thid, 0, 0);
    }
    return thid;
}

int main() { //In C++ `auto main() -> int` is also valid.
    SetupCallbacks();
    pspDebugScreenInit();
    pspDebugScreenPrintf("Hello World!");
    return 0;
}